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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Focus Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Tahmoor’s current conditions, then plan for a mild afternoon with possible showers—the pattern here can shift quickly when a trough crosses the Southern Tablelands.
What does a typical day in Tahmoor look like?
Expect cool mornings giving way to a mild afternoon, especially in spring and autumn. The area sits in a rain shadow east of the Great Dividing Range, so showers are often light but can develop rapidly if a low-pressure system moves through.
- Summer highs average 28–31°C, winter lows can drop to 2–5°C.
- Afternoon sea breezes from the coast (Wollongong direction) sometimes arrive by 3–4 pm.
- Fog is common in winter in the Nepean River valley, reducing visibility until mid-morning.
- Check the Tahmoor weather radar for real-time rain bands moving from the south-west.
How should you plan a trip around Tahmoor’s weather?
If you’re heading to the nearby Razorback Range or for a walk along the Georges River, aim for a window with clear skies in the morning—afternoon storms are more likely from November to March.
- For a 7-day view, the Tahmoor weather 7 day forecast shows how troughs stall over the escarpment.
- Hourly breakdowns (Tahmoor weather hourly) help decide when to start outdoor work or leave for Sydney weather or Wollongong weather.
- If you need a longer look, the weather in Tahmoor 10 days page highlights trends from the BOM’s ensemble models.
- Tomorrow morning’s dew point is usually the best indicator of fog; see Tahmoor weather tomorrow for that detail.
What is the coldest month in Tahmoor?
July typically records the lowest average minimum, around 4°C, with frost possible in the valley. Daytime highs in July hover near 15°C, so bring layers if you’re visiting in winter.
Does Tahmoor experience flash flooding?
Yes, especially after heavy rain from east-coast lows. The Nepean River can rise quickly, and local creeks may overflow. Check the Severe Weather Warning page before travelling during a rain event.
How far is Tahmoor from the nearest weather station?
The automatic weather station at Camden Airport (approx. 20 km north) provides the closest official data. It often reports similar conditions but can be cooler due to open terrain.